Practice Common Mode Gain Analysis - 80.4.2.2 | 80. Differential Amplifier : Analysis and Numerical Examples (Contd.)(Part B) | Analog Electronic Circuits - Vol 4
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define common mode gain.

πŸ’‘ Hint: Think about how the amplifier responds to equal inputs.

Question 2

Easy

What is a differential amplifier?

πŸ’‘ Hint: Recall what makes it different from regular amplifiers.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is one major consequence of having high common mode gain?

  • Increased distortion
  • Improved clarity
  • Higher differential gain

πŸ’‘ Hint: Think about what happens when equal input signals are amplified.

Question 2

True or False: Increasing DC voltage can enhance the common mode gain.

  • True
  • False

πŸ’‘ Hint: Consider the impact on the transistor's operating region.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given a differential amplifier with a differential mode gain of 50 and a common mode gain of -3, find the output voltage for differential input signals of 0.1V.

πŸ’‘ Hint: Apply the formula for differential output first.

Question 2

Design a scenario where you need to reduce the common mode gain of your amplifier circuit. What components will you adjust?

πŸ’‘ Hint: Consider what modifications can increase the effectiveness of the circuit.

Challenge and get performance evaluation